Remove unused code and unnecessary else branches

Author: alexandre-daubois

Data/Generator/CurrencyDataGenerator.php

@@ -115,9 +115,7 @@ private function generateSymbolNamePairs(ArrayAccessibleResourceBundle $rootBund
         $symbolNamePairs = array_map(fn ($pair) => \array_slice(iterator_to_array($pair), 0, 2), iterator_to_array($rootBundle['Currencies']));
 
         // Remove unwanted currencies
-        $symbolNamePairs = array_diff_key($symbolNamePairs, self::DENYLIST);
-
-        return $symbolNamePairs;
+        return array_diff_key($symbolNamePairs, self::DENYLIST);
     }
 
     private function generateCurrencyMeta(ArrayAccessibleResourceBundle $supplementalDataBundle): array
@@ -134,9 +132,7 @@ private function generateAlpha3ToNumericMapping(ArrayAccessibleResourceBundle $n
         asort($alpha3ToNumericMapping);
 
         // Filter unknown currencies (e.g. "AYM")
-        $alpha3ToNumericMapping = array_intersect_key($alpha3ToNumericMapping, array_flip($currencyCodes));
-
-        return $alpha3ToNumericMapping;
+        return array_intersect_key($alpha3ToNumericMapping, array_flip($currencyCodes));
     }
 
     private function generateNumericToAlpha3Mapping(array $alpha3ToNumericMapping): array

Data/Generator/LanguageDataGenerator.php

@@ -130,12 +130,10 @@ protected function generateDataForLocale(BundleEntryReaderInterface $reader, str
                     $localizedNames[$language] = $name;
                 }
             }
-            $data = [
+            return [
                 'Names' => $names,
                 'LocalizedNames' => $localizedNames,
             ];
-
-            return $data;
         }
 
         return null;

Data/Generator/TimezoneDataGenerator.php

@@ -128,13 +128,11 @@ protected function generateDataForMeta(BundleEntryReaderInterface $reader, strin
         sort($this->zoneIds);
         ksort($this->zoneToCountryMapping);
 
-        $data = [
+        return [
             'Zones' => $this->zoneIds,
             'ZoneToCountry' => $this->zoneToCountryMapping,
             'CountryToZone' => self::generateCountryToZoneMapping($this->zoneToCountryMapping),
         ];
-
-        return $data;
     }
 
     private function generateZones(BundleEntryReaderInterface $reader, string $tempDir, string $locale): array